Podobszar: Sinus, cosinus, tangens i cotangensCzęść: AProject ID: 9000032010Accepted: 1Clonable: 0Easy: 1Oblicz \(\mathop{\mathrm{cotg}}\nolimits \left ( \frac{\pi }{4}\right )\).\(1\)\(\frac{\sqrt{2}} {2} \)\(0\)\(-\frac{\sqrt{3}} {3} \)\(\frac{\sqrt{3}} {3} \)nieokreślony